content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * -----------------
   * XYBarPainter.java
   * -----------------
   * (C) Copyright 2008-2012, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes:
   * --------
   * 19-Jun-2008 : Version 1 (DG);
   * 17-Jun-2012 : Removed JCommon dependencies (DG);
   *
   */
  
  package org.jfree.chart.renderer.xy;
  
  import java.awt.Graphics2D;
  import java.awt.geom.RectangularShape;
  
  import org.jfree.chart.ui.RectangleEdge;
  
  /**
   * The interface for plugin painter for the {@link XYBarRenderer} class.  When
   * developing a class that implements this interface, bear in mind the
   * following:
   * <ul>
   * <li>the <code>equals(Object)</code> method should be overridden;</li>
   * <li>instances of the class should be immutable OR implement the
   *     <code>PublicCloneable</code> interface, so that a renderer using the
   *     painter can be cloned reliably;
   * <li>the class should be <code>Serializable</code>, otherwise chart
   *     serialization will not be supported.</li>
   * </ul>
   *
   * @since 1.0.11
   */
  public interface XYBarPainter {
  
      /**
       * Paints a single bar on behalf of a renderer.
       *
       * @param g2  the graphics target.
       * @param renderer  the renderer.
       * @param row  the row index for the item.
       * @param column  the column index for the item.
       * @param bar  the bounds for the bar.
       * @param base  the base of the bar.
       */
      public void paintBar(Graphics2D g2, XYBarRenderer renderer,
              int row, int column, RectangularShape bar, RectangleEdge base);
  
      /**
       * Paints the shadow for a single bar on behalf of a renderer.
       *
       * @param g2  the graphics target.
       * @param renderer  the renderer.
       * @param row  the row index for the item.
       * @param column  the column index for the item.
       * @param bar  the bounds for the bar.
       * @param base  the base of the bar.
       * @param pegShadow  peg the shadow to the base of the bar?
       */
      public void paintBarShadow(Graphics2D g2, XYBarRenderer renderer,
              int row, int column, RectangularShape bar, RectangleEdge base,
              boolean pegShadow);
  
  }
  